The pool coping is an essential part of the pool structure, not only from an aesthetic point of view, but also from a functional one. Over time, dirt, mould and debris can build up, causing the coping to lose its appearance and functionality. Renovating the crown of your pool using pressurised water is an effective and efficient way to restore its original appearance and prolong its useful life. Here is a step-by-step explanation of how to do it.
Materials needed
Before starting the process, make sure you have the following materials:
- Pressure washer (pressure washer)
- Water
- Cleaner specific for stone or concrete (optional)
- Stiff bristle brush
- Personal protective equipment (gloves, goggles)
- Swimming pool surface sealant (optional)
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Preparation of the area
Initial cleaning
Before using the pressure washer, perform an initial cleaning of the surface to remove loose dirt and debris. You can use a broom or a stiff bristle brush for this purpose. This preliminary cleaning makes the pressure washer’s work easier and prevents loose debris from causing damage during the process.
Protecting adjacent areas
Be sure to protect adjacent areas that you do not want to pressure clean, such as plants, outdoor furniture or any delicate items. Use tarpaulins or plastic sheeting to cover these items to prevent accidental damage.
Using the pressure washer
Pressure washer settings
Set up the pressure washer according to the manufacturer’s instructions. It is recommended to start with a lower pressure and gradually increase it as needed. Too much pressure can damage the surface of the pool coping, especially if it is made of softer materials such as certain natural stones.
Cleaning with pressurised water
Start cleaning from one end of the pool coping and work your way systematically. Keep the pressure washer nozzle at a safe distance from the surface, usually between 30 and 45 cm, to avoid damage. Use smooth, steady movements, avoiding concentrating the water jet in one spot for too long.
Treatment of stubborn stains
Use of specific cleaners
For stubborn stains that cannot be removed with pressure water alone, you can use a specific cleaner for stone or concrete. Apply the cleaner according to the product instructions and use a stiff bristle brush to scrub the affected area. Rinse thoroughly with the pressure washer to remove all cleaner residue.
Repeat the process
If necessary, repeat the pressure washing process until all stains are removed. Please note that some stains may require several passes to be completely removed.
Drying and sealing
Drying the surface
After cleaning, allow the surface of the pool coping to dry completely. This may take several hours, depending on weather conditions. It is important to ensure that the surface is completely dry before applying any sealant.
Sealant application
Applying a pool surface sealant can help protect the crown from future damage and dirt build-up. Choose a sealant suitable for your coping material and apply it according to the manufacturer’s instructions. The sealant provides a protective coating that makes future cleaning easier and prolongs the life of the surface.
Regular maintenance
Regular cleaning
To keep the crown of your pool in optimum condition, clean it regularly with pressurised water. This will prevent excessive dirt build-up and make future cleaning easier. Regular cleaning will also allow you to detect and address minor problems before they become major ones.
Inspect for damage
Perform regular inspections of your pool crown to detect any signs of damage or wear. Addressing these problems in a timely manner can prevent costly repairs and maintain the aesthetics and functionality of your pool.
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